A communication system for providing the ability to control, monitor or diagnose equipment such as a mobile storage system having a series of movable storage units. Each storage unit includes a controller or operational interface, and a communication interface is interconnected with the controller. The communication interface preferably provides access to the controller via the Internet, which enables access to the controller from virtually any location without the need for dedicated communication software. The communication system enables an owner to have access to information on the mobile storage system from any location, and also enables local service personnel and a manufacturer's customer service personnel to access information on the system from any location to assist in troubleshooting, servicing and maintenance.